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IPP Products at a Glance
Improved Piping Products, Inc. (IPP) is a leading manufacturer of HDPE fittings and backing rings offering a full line of straight-line fittings in sizes from 1/2” to 63”, including our unique, patented Deltaflex® flanges. The company was founded over 30 years ago and has grown into an international company distributing its products world-wide. Learn more about our products or why you should choose Improved Piping Products.
Contact us for more information, or request a quote.
PE4710 domestic resin 
Products in accordance with ASTM F714, D2513, D3261, AWWA C906, and NSF 61 as applicable
Sizes 2" to 63" and various SDRs available depending on product
IPS and DIPS
Ductile Iron ASTM A536
IPS 1/2" to 65"
DIPS 4" to 24"
Also available in galvanized and epoxy coated
Cast Stainless Steel ASTM A351 316
IPS 1" to 63"
DIPS 4" to 54"
Various SDRs available
Glass reinforced polypropylene with ductile iron insert ASTM A536
2" to 36” SDR 13.5
2" to 30” SDR7
Carbon Steel ASTM A36
ANSI 150# Bolt Pattern
IPS 1 1/2" to 65"
Carbon Steel ASTM A36 with 45º chamfer or radius
ANSI 150# Bolt Pattern
IPS 1 1/2" to 65"

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